ntnu.edu

Observed Jul 24, 2026, 18:55 UTC (8d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

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Up right now

Runs onSikt - Kunnskapssektorens Tjenesteleverandor

Secured byHellenic Academic and Research Institutions CA

Also usesGoogle Search Console

IPv6 · 1 subdomain · tranco_40k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat ntnu.edu actually stands on - every host below is a signed observation

ntnu.edu

A / AAAA

129.241.160.1032001:700:300:6::103

Sikt - Kunnskapssektorens Tjenesteleverandorserves the site

ns1.ntnu.nons2.ntnu.no

ntnu.noanswers its DNS

mx.ntnu.no

ntnu.noreceives its email

TLS

ntnu.edu

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

129.241.160.103

AAAA 1

2001:700:300:6::103

MX 1

10mx.ntnu.no

TXT 3

HARICA-DNvOp4t4DYptYzbgYuZ
v=spf1 redirect=_spf.ntnu.no
google-site-verification=l7rHBiJUweZWnakhZXteiuAl5VUOHGcuakoPohLsPWI

NS 2

ns1.ntnu.no
ns2.ntnu.no

SOA 1

dnsadmin.itea.ntnu.no hostmaster.ntnu.no

TLS Certificates (3)

Common Name	Issuer	Expires
`ntnu.edu`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1	Sat, 06 Feb 2027 17:44:02 +0000
`GEANT TLS RSA 1`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021	Sat, 31 Dec 2039 11:14:59 +0000
`HARICA TLS RSA Root CA 2021`	C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015	Fri, 31 Aug 2029 07:41:54 +0000

Subdomains (1)

www.ntnu.edu

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for ntnu.edu. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/ntnu.edu">
  <img src="https://domaindrift.io/badge/ntnu.edu.svg"
       width="300" height="64" alt="DomainDrift signed observations for ntnu.edu">
</a>

Ed25519 Receipt

Receipt ID: rcpt_380e09f1b1f56789
Output Hash: 869041dd807a265cf8a58c35efb2739c20a44e89053ed0fb71e1c9d2b135b691
Signature: ed25519:b67cd7019af8078ad83d26c323d904a361c3d3d81007050b0a75e8f1faab2491355f823f077190796c83f2e954e2075268970a8a6f5e5a5b57e491a176ef1b03
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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